Name one of the main industries that provided employment for large numbers of African-Americans in the south after 1877.

One of the main idustries that gave employment to large number of African Americans in the south after 1877 were mining and foestery jobs

Explanation:

the completion of the erie canal spurred the first great westward movement of american settlers, gave access to the rich land and resources west of the appalachians and made new york the preeminent commercial city in the united states.

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.